SiO2

Al2O3

Fe2O3

TiO2

Na2O

K2O

CaO

MgO

LOI

Clay

Silt

Quartz

LL

PL

PI

pH

SiO2

R

1

Al2O3

R

0.757

1

Fe2O3

R

−0.525

−0.209

1

TiO2

R

−0.38

−0.085

0.977(**)

1

Na2O

R

−0.24

0.213

0.202

0.279

1

K2O

R

−0.452

−0.351

−0.176

−0.376

−0.385

1

CaO

R

−0.936(*)

−0.772

0.289

0.101

−0.001

0.724

1

MgO

R

0.639

0.202

0.046

0.154

−0.556

−0.543

−0.671

1

LOI

R

−0.914(*)

−0.462

0.745

0.631

0.399

0.31

0.778

−0.605

1

Clay

R

−0.857

−0.648

0.237

0.035

−0.093

0.846

0.974(**)

−0.677

0.733

1

Silt

R

−0.841

−0.547

0.384

0.186

−0.084

0.812

0.931(*)

−0.628

0.796

0.978(**)

1

Quartz

R

−0.885(*)

−0.85

0.337

0.252

0.332

0.163

0.773

−0.516

0.696

0.61

0.524

1

LL

R

−0.994(**)

−0.696

0.497

0.347

0.278

0.499

0.942(*)

−0.709

0.926(*)

0.880(*)

0.868

0.849

1

PL

R

0.832

0.703

−0.203

−0.133

−0.524

−0.154

−0.721

0.684

−0.665

−0.567

−0.468

−0.961(**)

−0.82

1

PI

R

−0.802

−0.631

−0.032

−0.214

0.069

0.81

0.933(*)

−0.826

0.608

0.933(*)

0.85

0.669

0.834

−0.702

1

pH

R

0.274

−0.036

−0.498

−0.367

0.372

−0.569

−0.367

0.069

−0.452

−0.52

−0.668

0.187

−0.307

−0.292

−0.223

1